10 Regions with the Least Air Pollution in Indonesia, South Lampung Regency Ranks 1st on Friday Morning

The air quality in South Lampung Regency this morning is the cleanest in Indonesia. Based on the air quality index from the Ministry of Environment and Forestry (KLHK), South Lampung Regency scored 8 on Friday (10/31/2025) at 06:00 AM WIB.

At that time, the air quality in South Lampung Regency was categorized as good, meaning the pollutant levels in the air of South Lampung Regency were very minimal. Furthermore, Madiun Regency was in second place with an air quality index of 13. Next, Lamongan Regency was in third place with an air quality index of 14.

Here is the complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Friday, October 31, 2025, at 06:00 AM WIB.

1. South Lampung Regency (Lampung): 8
2. Madiun Regency (East Java): 13
3. Lamongan Regency (East Java): 14
4. Nabire Regency (Central Papua): 16
5. Tarakan (North Kalimantan): 19
6. Bulungan Regency (North Kalimantan): 20
7. Sukabumi Regency (West Java): 22
8. Bojonegoro Regency (East Java): 23
9. Mataram (West Nusa Tenggara): 25
10. Kapuas Regency (Central Kalimantan): 26

(Read: Due to Forest and Land Fires, ARI Cases in South Kalimantan Reached 189 Thousand as of September 2023)

Based on KLHK Regulation No. 14 of 2020 concerning the Air Pollutant Standard Index, KLHK applies the following air quality index classification.

• 0-50: good
• 51-100: moderate
• 101-200: unhealthy
• 201-300: very unhealthy
• 300+: hazardous

This means that on Friday (10/31/2025) at 06:00 AM WIB, all of these cities had good air quality.

(Read: 55 Disasters Occurred in Mid-September 2023, Forest and Land Fires Dominated)